. >>> it's been nearly five-and-a-half years since a retired fbi eight disappeared. now his wife has gone to new york to plead for his help. susan, what are the chances of that meeting taking place? >> hi, wolf. the chances are not. the president has nver agreed in the past to a meeting with mrs. levinson, but he is arrived next week, and bob's wife won't stop asking for help, desperate to bring her husband home. >> it's my husband, i have to take care of him, i have to get him home. >> after disappearing more than five years ago, he is a long way from home where he once cuddled his new-born grandson. >> i'm not in very good health. i'm running very quickly out of diabetes medicine. >> this video showing the thinner retired fbi agent was sent to the family two years ago. the state department says it's unclear who is holding him. >> when we got the video, we had high hopes. we e-mailed a number of times to get wever is holding him to let us know what to do to get bob home. >> he disappeared off of iran's coast in 2007 where his family says he was investigating cigaret